Across the globe the drive is on to create more efficient petrol and diesel engines as range anxiety stalks electric vehicles and  plug-in hybrid technology remains an expensive option. Diesel power has blazed the trail for economical driving for more than two decades but now petrol power is making a  comeback with some amazing advances … Continue reading PSA Peugeot/Citroen launches 1.2 litre PureTech petrol  3-cylinder engine